Home / 157,216,016.08-235,956,527.16-66,404,777.68

Finding the Fourth Proportional to 157,216,016.08, 235,956,527.16 and 66,404,777.68

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Solution

The fourth proportional to 157,216,016.08, 235,956,527.16 and 66,404,777.68 is: 99,663,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,216,016.08 : 235,956,527.16 = 66,404,777.68 : x
  2. Step 2: Convert to fraction form
    157,216,016.08/235,956,527.16 = 66,404,777.68/x
  3. Step 3: Cross multiply
    157,216,016.08x = 235,956,527.16 × 66,404,777.68
  4. Step 4: Simplify right side
    157,216,016.08x = 15,668,640,728,204,682
  5. Step 5: Solve for x
    x = 15,668,640,728,204,682/157,216,016.08
  6. Step 6: Final answer
    x = 99,663,133.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.